Case of lymph node primary perivascular epithelioid cell tumor associated with leukoderma

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Case of lymph node primary perivascular epithelioid cell tumor associated with leukoderma

Dear Editor, Perivascular epithelioid cell tumor, also known as PEComa, is a type of mesenchymal neoplasm. Here, we encountered an interesting case of primary PEComa in a cervical lymph node (LN) that was associated with leukoderma. A 63-year-old Japanese man was referred to us with a 3month history of a swollen LN in the left neck. The patient was a white collar worker belonging to an advertis...

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Malignant perivascular epithelioid cell tumor of mesentery with lymph node involvement: a case report and review of literature

UNLABELLED Perivascular epithelioid cell tumor (PEComa) is a rare but distinct mesenchymal neoplasm composed of histologically and immunohistochemically unique perivascular epithelioid cells. Due to its relative rarity, little is known about the histogenesis and prognostic factors of this tumor. We describe a case of unusual mesenteric PEComa in a 38-year-old female patient with regional lymph ...

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Cushing’s syndrome associated with typical, peripheral pulmonary carcinoid tumor and N2 lymph node metastasis: case report

Background: The bronchopulmonary carcinoid tumor accounts for 1-2% of all adult malignancies of the lung and 20-30% of all carcinoid tumors. Cushing’s syndrome is the result of chronic exposure to increased concentration of exogenous or endo-genus cortisol hormone, and it is generally associated with central obesity, metabolic syndrome, and hypertension. Treatment is based on decreasing cortiso...

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Hepatic perivascular epithelioid cell tumor

RATIONAL Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm which expresses both myogenic and melanocytic markers. PEComas are found in a variety locations in the body, but up to now only approximately 30 cases about hepatic perivascular epithelioid cell tumor are reported in English language worldwide. PATIENT CONCERNS A 32-year-old woman was admitted in our hospital...

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Microscopic endometrial perivascular epithelioid cell nodules: a case report with the earliest presentation of a uterine perivascular epithelioid cell tumor

Perivascular epithelioid cell (PEC) tumors (PEComas) are a family of related mesenchymal tumors composed of PECs which co-express melanocytic and smooth muscle markers. Although their distinctive histologic, immunohistochemical, ultrastructural, and genetic features have been clearly demonstrated, their histogenesis and normal counterpart remain largely unknown. Precursor lesions of PEComas hav...

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ژورنال

عنوان ژورنال: The Journal of Dermatology

سال: 2017

ISSN: 0385-2407

DOI: 10.1111/1346-8138.14019